More Powerful Custom Grouping

Written By Brian Rue June 9th, 2014

{% assign defaultfingerprint = site.data.docs.custom-grouping.defaultfingerprint %} {% assign defaulttitle = site.data.docs.custom-grouping.defaulttitle %} {% assign body = site.data.docs.custom-grouping.body %} {% assign client = site.data.docs.custom-grouping.client %}

Our Custom Grouping feature just got a lot more powerful. It's now possible to:

  • group TimeoutErrors by the controller+action it appears in
  • group 404s by path
  • group all Android exceptions by the app version number

and much more, just by writing a simple JSON rule. This feature is live now for all accounts.

For the uninitiated: Custom Grouping allows you to tune Rollbar's grouping algorithm for the specifics of your application. If our default algorithm isn't grouping incoming occurrences like you want, you can define rules to customize. Rules consist of a condition, a title, and a fingerprint. If an incoming occurrence matches the condition, then it will be grouped with others that have the same fingerprint, and given the title title. (If it doesn't match, then the next rule is evaluated, or if there are no more rules, the default algorithm is applied.)

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Post-mortem for website assets outage

Written By Brian Rue June 6th, 2014

We had an issue from late last night through this morning where many users were not able to use the rollbar.com website because CSS and Javascript assets were not loading in some regions. This post will cover what happened, its cause, why we didn't notice it sooner, and the changes we're making going forward.

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Security patch for the recent CCS Injection Vulnerability

Written By Cory Virok June 5th, 2014
For the security conscious folks out there - We just finished patching our load balancers with the latest security updates.
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Local variable values in stack traces

Written By Brian Rue June 5th, 2014

"This stack trace would be so much easier to debug if I knew what the value of that variable was" - said us, many many times. We finally scratched our own itch and built this into Rollbar.

It's really awesome. Take for example a bug I ran into with our new deploy emails feature:

"Hmmm, sure would be nice if I knew which variable was None--is it prev_deploy or deploy?" In the past, I would've had to reproduce locally, or add an additional rollbar.report_message() to log each variable in production. But now I can just press "locals" for the stack frame and see it instantly:

"OK, it's prev_deploy." That was all I needed: prev_deploy will be None when deploy is the very first deploy in this project. Easy two-line fix. Time taken from opening the Rollbar notification to committing the fix: 2 minutes. Rollbarred!

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Deploy emails show which commits were deployed

Written By Brian Rue June 4th, 2014
We recently added a feature I've wanted for a long time: our Deploy email notifications now show which commits were in that deploy. It looks like this:
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Daily summary email bugfix

Written By Cory Virok June 2nd, 2014

Last week we fixed a bug in our daily summary emails that a customer reported on May 1st. The bug caused some of the emails to miss information on errors that occurred during certain parts of the day. This was a pretty serious bug. It affected almost all of our customers and had been around for a very long time.

The issue ended up being a miscalculation in our timezone handling code. Most developers who have worked with timezones know how difficult it can be to get it right. I'll explain how we did it and how Rollbar helped us quickly narrow in on the problem.

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rollbar-php v0.9.2 released

Written By Brian Rue May 30th, 2014
We've released another small update to rollbar-php, version 0.9.2. Get it on Packagist or GitHub.
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rollbar-gem v0.12.20 released

Written By Brian Rue May 29th, 2014
We've released a new patch version of rollbar-gem, version 0.12.20. Get it on Rubygems or GitHub.
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rollbar-php v0.9.1 released

Written By Brian Rue May 29th, 2014
We've released another small update to rollbar-php, version 0.9.1. Get it on Packagist or GitHub.
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rollbar-php v0.9.0 released

Written By Brian Rue May 23rd, 2014
We've released a new version of rollbar-php, version 0.9.0. It's available now on Packagist, or find the source on GitHub.
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